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-rw-r--r--libavcodec/x86/h264_idct.asm3
-rw-r--r--libavcodec/x86/h264_intrapred.asm3
2 files changed, 6 insertions, 0 deletions
diff --git a/libavcodec/x86/h264_idct.asm b/libavcodec/x86/h264_idct.asm
index a132480022..5e8c0edfa6 100644
--- a/libavcodec/x86/h264_idct.asm
+++ b/libavcodec/x86/h264_idct.asm
@@ -968,6 +968,9 @@ cglobal h264_idct_add8_8_sse2, 5, 7, 8
%macro IDCT_DC_DEQUANT 2
cglobal h264_luma_dc_dequant_idct_%1, 3,4,%2
+ ; manually spill XMM registers for Win64 because
+ ; the code here is initialized with INIT_MMX
+ WIN64_SPILL_XMM %2
movq m3, [r1+24]
movq m2, [r1+16]
movq m1, [r1+ 8]
diff --git a/libavcodec/x86/h264_intrapred.asm b/libavcodec/x86/h264_intrapred.asm
index 61c69c6488..c6b4386627 100644
--- a/libavcodec/x86/h264_intrapred.asm
+++ b/libavcodec/x86/h264_intrapred.asm
@@ -1931,6 +1931,9 @@ cglobal pred8x8l_vertical_right_mmxext, 4,5
%macro PRED8x8L_VERTICAL_RIGHT 1
cglobal pred8x8l_vertical_right_%1, 4,5,7
+ ; manually spill XMM registers for Win64 because
+ ; the code here is initialized with INIT_MMX
+ WIN64_SPILL_XMM 7
sub r0, r3
lea r4, [r0+r3*2]
movq mm0, [r0+r3*1-8]